Lucent Technologies DEFINITY Enterprise Communication Server Release 8.2 Upgrades And Additions Manual

DEFINITY ECS Release 8.2
Upgrades and Additions for R8.2si  555-233-122  Issue 1
April 2000
Glossary and Abbreviations 
GL-25  
H12
An ISDN information transfer rate for 1920-kbps data defined by CCITT and ANSI standards.
handshaking logic
A format used to initiate a data connection between two data module devices.
hertz (Hz)
A unit of frequency equal to one cycle per second.
high-reliability system
A system having the following: two control carriers, duplicate expansion interface (EI) circuit packs 
in...

DEFINITY ECS Release 8.2
Upgrades and Additions for R8.2si  555-233-122  Issue 1
April 2000
Glossary and Abbreviations 
GL-26  
IAS
Inter-PBX Attendant Service
ICC
Intercabinet cable or intercarrier cable
ICD
Inbound Call Director
ICDOS
International Customer-Dialed Operator Service
ICHT
Incoming call-handling table
ICI
Incoming call identifier
ICM
Inbound Call Management
IDDD
International Direct Distance Dialing
IDF
Intermediate distribution frame
IE
Information element
immediate-start tie trunk
A...

DEFINITY ECS Release 8.2
Upgrades and Additions for R8.2si  555-233-122  Issue 1
April 2000
Glossary and Abbreviations 
GL-27  
inside call
A call placed from one telephone to another within the local communications system. 
Integrated Services Digital Network (ISDN)
A public or private network that provides end-to-end digital communications for all services to which 
users have access by a limited set of standard multipurpose user-network interfaces defined by the 
CCITT. Through internationally...

DEFINITY ECS Release 8.2
Upgrades and Additions for R8.2si  555-233-122  Issue 1
April 2000
Glossary and Abbreviations 
GL-28  
internal measurements
BCMS measurements that are made by the system. ACD measurements that are made external to 
the system (via External CMS) are referred to as external measurements.
in-use lamp
A red light on a multiappearance voice terminal that lights to show which call appearance will be 
selected when the handset is lifted or which call appearance is active when a user is...

DEFINITY ECS Release 8.2
Upgrades and Additions for R8.2si  555-233-122  Issue 1
April 2000
Glossary and Abbreviations 
GL-29  
K
kHz
Kilohertz
kbps
Kilobits per second
kbyte
Kilobyte
kg
Kilogram
L
LAN
Local area network
LAP-D
Link Access Procedure on the D-channel
LAPD
Link Access Procedure data
LATA
Local access and transport area
lb
Po un d
LBO
Line buildout
LDN
Listed directory number
LDS
Long-distance service
LEC
Local exchange carrier
LED
See 
lig ht-emitting  d iod e (LED).
light-emitting diode...

DEFINITY ECS Release 8.2
Upgrades and Additions for R8.2si  555-233-122  Issue 1
April 2000
Glossary and Abbreviations 
GL-30  
line
A transmission path between a communications system or CO switching system and a voice 
terminal or other terminal.
line appearance
See 
appearance.
line buildout
A selectable output attenuation is generally required of DTE equipment because T1 circuits require 
the last span to lose 15–22.5 dB.
line port
Hardware that provides the access point to a communications system...

DEFINITY ECS Release 8.2
Upgrades and Additions for R8.2si  555-233-122  Issue 1
April 2000
Glossary and Abbreviations 
GL-31  
main distribution frame (MDF)
A device that mounts to the wall inside the system equipment room. The MDF provides a 
connection point from outside telephone lines to the PBX switch and to the inside telephone 
stations.
main-satellite-tributary
A private network configuration that can either stand alone or access an ETN. A main switch 
provides interconnection, via tie trunks,...

DEFINITY ECS Release 8.2
Upgrades and Additions for R8.2si  555-233-122  Issue 1
April 2000
Glossary and Abbreviations 
GL-32  
MCU
Multipoint control unit
MDF
Main distribution frame
MDM
Modular data module
MDR
Message detail record
MEM
Memory
memory
A device into which information can be copied and held, and from which information can later be 
obtained.
memory shadowing link
An operating-system condition that provides a method for memory-resident programs to be more 
quickly accessed, allowing a...

DEFINITY ECS Release 8.2
Upgrades and Additions for R8.2si  555-233-122  Issue 1
April 2000
Glossary and Abbreviations 
GL-33  
MMCS
Multimedia Call Server
MMCH
Multimedia call handling
MMI
Multimedia interface
MMS
Material Management Services
MO
Maintenance object
modem
A device that converts digital data signals to analog signals for transmission over telephone circuits. 
The analog signals are converted back to the original digital data signals by another modem at the 
other end of the circuit.
modem...

DEFINITY ECS Release 8.2
Upgrades and Additions for R8.2si  555-233-122  Issue 1
April 2000
Glossary and Abbreviations 
GL-34  
MSG
Message service
MSL
Material stocking location
MSM
Modular System Management
MSS
Mass storage system
MSSNET
Mass storage/network control
MT
Management terminal
MTDM
Modular trunk data module
MTP
Maintenance tape processor
MTT
Multitasking terminal
multiappearance voice terminal
A terminal equipped with several call-appearance buttons for the same extension, allowing the user...